| 41. | Various applications and documents are represented on the Windows desktop by __. |
| a. | icons |
| b. | labels |
| c. | graphs |
| d. | symbols |
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Answer: (a).icons
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| 42. | The coordination of processor operation in CPU is controled by |
| a. | CU |
| b. | ALU |
| c. | Registers |
| d. | All of the above |
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Answer: (a).CU
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| 43. | Who invent the microprocessor? |
| a. | John Atansof |
| b. | Marican E Huff |
| c. | Joseph Jucquard |
| d. | All contribute to invent the microprocessor |
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Answer: (d).All contribute to invent the microprocessor
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| 44. | The name of the first microprocessor chip was |
| a. | Intel1004 |
| b. | Intel2004 |
| c. | Intel3004 |
| d. | Intel4004 |
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Answer: (d).Intel4004
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| 45. | Intel introduced first 32 bit processor in |
| a. | 1985 |
| b. | 1987 |
| c. | 1989 |
| d. | 1993 |
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Answer: (a).1985
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| 46. | In a microprocessor there are 120 instructions, how many bits needed to implement this |
| a. | 5 |
| b. | 6 |
| c. | 7 |
| d. | 8 |
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Answer: (c).7
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| 47. | IBM introduced first 16 bit microprocessor in |
| a. | 1981 |
| b. | 1982 |
| c. | 1983 |
| d. | 1984 |
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Answer: (b).1982
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| 48. | Which device can understand the difference data and programs? |
| a. | ALU |
| b. | Registers |
| c. | Motherboard |
| d. | Microprocessor |
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Answer: (d).Microprocessor
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| 49. | A memory bus is used for communication between |
| a. | ALU and Register |
| b. | Processor and Memory |
| c. | Input and Output devices |
| d. | All of the above |
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Answer: (b).Processor and Memory
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| 50. | The fourth generation computer was made up of |
| a. | chips |
| b. | transistor |
| c. | vaccume tubes |
| d. | microprocessor chips |
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Answer: (d).microprocessor chips
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